The answer is A. It twirls like a helix and has 2 strands
Answer: Hello :)
Explanation: Speciation and the three selections (directional, disruptive, and stabilizing) all affect biodiversity. ... The affects of this are the evolution of a new species, genetic variation, and an increase in biodiversity. Stabilizing selection is a process by which average individuals in a population are favored.
Usually the y-axis stands for dependent variable while the x-axis stands for independent variable. And the curve stands for the relationship between the two variables. The control variable and measurement variable often means the independent variables.